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Ehrlich, P. R.; Harte, J.; Harwell, M. A.; Raven, P. H.; Sagan, C.; Woodwell, G. M.; Berry, J.; Ayensu, E. S. et al. (1983). "Long-term biological consequences of nuclear war". Science222 (4630): 1293–1300. doi:10.1126/science.6658451. பப்மெட்:6658451. Bibcode: 1983Sci...222.1293E.
Ehrlich, P. R.; Harte, J.; Harwell, M. A.; Raven, P. H.; Sagan, C.; Woodwell, G. M.; Berry, J.; Ayensu, E. S. et al. (1983). "Long-term biological consequences of nuclear war". Science222 (4630): 1293–1300. doi:10.1126/science.6658451. பப்மெட்:6658451. Bibcode: 1983Sci...222.1293E.